Infra-Red Receivers (Lbb 4540/Xx); Description - Bosch INTEGRUS Installation And Operating Manual

INTEGRUS | Installation and Operating Manual | Infra-Red Receivers
4 Infra-Red Receivers
(LBB 4540/xx)

4.1 Description

Receivers are available for 4 or 32 channels. They can
operate with a rechargeable NiMH battery pack or
with disposable batteries and have controls for channel
selection, volume adjustment and an on/off push but-
ton. All receivers have a 3.5 mm (0.14 inch) stereo jack
output socket for mono or stereo headphones.
An LCD display shows the channel number and indi-
cators for signal reception and low battery power.
Charging circuitry is included in the receiver.
1
2
4
Figure 4.1 Receiver, front view and back view with open
battery compartment
Figure 4.1:
1. Charging indicator LED - Used in combination
with the charging equipment.
2. Headphone connector - A 3.5 mm (0.14 inch)
stereo jack output socket for the headphone, with
integrated Stand-by/Off-switch.
3. LCD Display - A two digit display showing the
selected channel. An antenna symbol is visible
when the receiver picks up an infra red signal of
adequate quality. A battery symbol is visible when
the battery pack or the batteries are almost empty.
Bosch Security Systems | 2003-02 | 3122 475 22011en
3
5
6
7
8
9
4. Volume control - A slider to adjust the volume.
5. Channel selector - An up/down switch to select
an audio channel. The channel number is shown
on the LCD display.
6. On/Off button - When a headphone is connected,
the receiver switches to Stand-by state. Pressing the
On/Off button switches the receiver from Stand-by
to On. To switch back to Stand-by, press and hold
the button for approx. 2 seconds. When the head-
phone is removed, the receiver switches automati-
cally to the Off-state.
7. Battery pack connector - This connection is used
to connect the battery pack to the receiver. Charg-
ing is automatically disabled when this connector is
not used.
8. Charging contacts - Used in combination with the
charging equipment to recharge the battery pack (if
used).
9. Battery pack or disposable batteries - Either a
rechargeable NiMH battery pack (LBB 4550/00) or
two disposable AA-size 1.5V batteries.
Note: When the receiver is not used,
disconnect the headphones. This ensures
that the receiver is totally switched-of and
no energy is consumed from the batteries
or the battery pack.
en | 40